Google Core Update March 2026: Ongoing Volatility and Quality Re-Ranking

Google has begun rolling out its first broad core update of 2026. The rollout started on March 27 and is expected to take up to two weeks to complete.

This update focuses on showing more relevant and satisfying content across all types of websites. As a result, many sites are seeing high volatility in Google search rankings. According to SEMrush Sensor, the volatility score peaked near 9.5 out of 10.

Ecommerce websites are particularly affected. Product pages and category pages have experienced noticeable fluctuations in their positions. Google has not announced any single “fix” because this is a relative re-ranking — sites are being compared against others based on quality.

Technical Tip for Website Owners

If your site has been impacted, here is a practical step you can take right now:

Go to Google Search Console and open the Pages report. Use the custom date comparison feature to check performance before and after March 27. Sort the results by the “Difference” in clicks or impressions. This will quickly show you which URLs gained or lost traffic.

Focus your efforts on strengthening E-E-A-T signals — Experience, Expertise, Authoritativeness, and Trustworthiness. Make sure your pages have clear author information, reliable sources, and helpful content.

Also check these important areas:

• Structured data (Schema.org markup for products and offers)

• Page experience signals, especially Core Web Vitals

• Avoid thin or low-value content

Instead, create comprehensive, user-first product pages that genuinely help visitors.

Experts recommend waiting 1 to 2 weeks after the full rollout before making big changes. This gives Google time to finish the update and stabilise the rankings.

Many digital marketing and ecommerce teams are closely monitoring this core update. Staying focused on quality content and good user experience remains the best long-term strategy.